2.0Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST3160022ACE, ST3120025ACE, and ST380012ACE model drives.

2.1Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or defi- nition, see the appropriate section of this manual.

Drive specification

ST3160022ACE

 

ST3120025ACE

ST380012ACE

 

 

 

 

 

Formatted Gbytes (512 bytes/sector)

160

 

120

80

 

 

 

 

 

Guaranteed sectors

312,581,808

 

234,441,648

156,301,488

 

 

 

 

 

Bytes per sector

512

 

 

 

 

 

 

 

 

Default sectors per track

63

 

 

 

 

 

 

 

 

Default read/write heads

16

 

 

 

 

 

 

 

 

Default cylinders

16,383

 

 

 

 

 

 

 

 

Physical read/write heads

4

 

3

2

 

 

 

 

 

Discs

2

 

2

1

 

 

 

 

 

Recording density, BPI (bits/inch max)

595,000

 

 

 

 

 

 

 

 

Track density, TPI (tracks/inch max)

94,600

 

 

 

 

 

 

 

 

Areal density, (Mbits/inch2 max)

56.3

 

 

 

Sustained data transfer rate OD (Mbytes/sec)

48

 

 

 

 

 

 

 

 

I/O data-transfer rate (Mbytes/sec max)

100

 

 

 

 

 

 

 

ATA data-transfer modes supported

PIO modes 0–4

 

 

 

Multiword DMA modes 0–2

 

 

Ultra DMA modes 0–5

 

 

 

 

 

 

Cache buffer

2 Mbyte (2,048 kbytes)

 

 

 

 

 

Height (mm max)

26.035 mm (1.028 inches)

 

 

 

 

Width (mm max)

101.6 mm (4.000 inches)

 

 

 

 

Length (mm max)

146.99 mm (5.787 inches)

 

 

 

 

 

Weight (typical)

635 grams (1.4 lb)

 

 

 

 

 

 

 

Average latency (msec)

4.16

 

 

 

 

 

 

 

Power-on to ready (sec typical)

10 sec

 

 

 

 

 

 

Standby to ready (sec typical)

10 sec

 

 

 

 

 

 

Startup current (typical) 12V (peak)

2.3 amps

 

 

 

 

 

 

Track-to-track seek time (msec typical)

<1.0 (read), <1.2 (write)

 

 

 

 

 

 

 

Average seek, read (msec typical)

8.5

 

 

 

 

 

 

 

 

Average seek, write (msec typical)

9.5

 

 

 

 

 

 

 

Seek power (typical)

10.3 watts

 

 

 

 

 

 

 

U Series 9 ce Product Manual, Rev. F

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Seagate U Series 9 CE manual Drive specifications, Specification summary table
Page 12 Page 14

U Series 9 CE specifications

The Seagate U Series 9 CE (Consumer Electronics) is a robust external storage solution designed to meet the growing demands of consumers for reliable, high-capacity data storage. This portable hard drive boasts a combination of innovative technology, user-friendly features, and an appealing design, making it an excellent choice for multimedia enthusiasts and professionals alike.

One of the standout features of the Seagate U Series 9 CE is its impressive storage capacity options. Ranging from 1TB to 5TB, users have the flexibility to choose a size that suits their specific needs. This vast storage capability allows users to carry their entire media library, including photos, videos, music, and documents, all in one compact device.

The U Series 9 CE is equipped with USB 3.0 technology, offering high data transfer speeds that significantly reduce wait times when transferring large files. This backward-compatible interface ensures that users can connect to a wide array of devices, including laptops, desktops, and gaming consoles, without any hassle. The drive’s plug-and-play functionality further enhances the user experience, as it requires no additional software installation.

In terms of design, the Seagate U Series 9 CE is sleek and portable, featuring a lightweight chassis that easily fits into a backpack or purse. Its minimalist aesthetic comes in various color options, allowing users to choose a drive that reflects their personal style.

Security is a priority for any storage device, and the U Series 9 CE incorporates features to protect data. With software encryption options available, users can safeguard their sensitive information from unauthorized access. Additionally, the drive has been designed for durability, with protection against shock and vibration, ensuring that valuable data remains safe even in demanding conditions.

Lastly, Seagate backs the U Series 9 CE with a warranty, providing users with peace of mind regarding their investment. Overall, the Seagate U Series 9 CE stands out as a top-tier external hard drive that combines performance, portability, and security, making it an ideal choice for anyone seeking reliable digital storage solutions.
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